workers: Change how debugger-tasks are posted to the thread.

Source/core/workers/WorkerThread.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 32 matching lines @@
 
 namespace blink {
 
 class WebWaitableEvent;
 class WorkerGlobalScope;
 class WorkerInspectorController;
 class WorkerMicrotaskRunner;
 class WorkerReportingProxy;
 class WorkerSharedTimer;
 class WorkerThreadStartupData;
-class WorkerThreadTask;
 
 enum WorkerThreadStartMode {
     DontPauseWorkerGlobalScopeOnStart,
     PauseWorkerGlobalScopeOnStart
 };
 
 // TODO(sadrul): Rename to WorkerScript.
 class CORE_EXPORT WorkerThread : public RefCounted<WorkerThread> {
 public:
     virtual ~WorkerThread();
@@ skipping 23 matching lines @@
     bool isCurrentThread();
     WorkerLoaderProxy* workerLoaderProxy() const
     {
         RELEASE_ASSERT(m_workerLoaderProxy);
         return m_workerLoaderProxy.get();
     }
 
     WorkerReportingProxy& workerReportingProxy() const { return m_workerReportingProxy; }
 
     void postTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>);
-    void postDebuggerTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>);
+    void appendDebuggerTask(PassOwnPtr<WebThread::Task>);
 
     enum WaitMode { WaitForMessage, DontWaitForMessage };
     MessageQueueWaitResult runDebuggerTask(WaitMode = WaitForMessage);
 
     // These methods should be called if the holder of the thread is
     // going to call runDebuggerTask in a loop.
     void willEnterNestedLoop();
     void didLeaveNestedLoop();
 
     WorkerGlobalScope* workerGlobalScope() const { return m_workerGlobalScope.get(); }
@@ skipping 26 matching lines @@
 private:
     friend class WorkerSharedTimer;
     friend class WorkerMicrotaskRunner;
 
     void stopInShutdownSequence();
     void stopInternal();
 
     void initialize(PassOwnPtr<WorkerThreadStartupData>);
     void shutdown();
     void performIdleWork(double deadlineSeconds);
-    void postDelayedTask(PassOwnPtr<ExecutionContextTask>, long long delayMs);
     void postDelayedTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>, long long delayMs);
 
     bool m_started;
     bool m_terminated;
     bool m_shutdown;
-    MessageQueue<WorkerThreadTask> m_debuggerMessageQueue;
+    MessageQueue<WebThread::Task> m_debuggerMessageQueue;
     OwnPtr<WebThread::TaskObserver> m_microtaskRunner;
 
     RefPtr<WorkerLoaderProxy> m_workerLoaderProxy;
     WorkerReportingProxy& m_workerReportingProxy;
     RawPtr<WebScheduler> m_webScheduler; // Not owned.
 
     RefPtrWillBePersistent<WorkerInspectorController> m_workerInspectorController;
     Mutex m_workerInspectorControllerMutex;
 
     // This lock protects |m_workerGlobalScope|, |m_terminated|, |m_isolate| and |m_microtaskRunner|.
     Mutex m_threadStateMutex;
 
     RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope;
 
     v8::Isolate* m_isolate;
     OwnPtr<V8IsolateInterruptor> m_interruptor;
 
     // Used to signal thread shutdown.
     OwnPtr<WebWaitableEvent> m_shutdownEvent;
 
     // Used to signal thread termination.
     OwnPtr<WebWaitableEvent> m_terminationEvent;
 };
 
 } // namespace blink
 
 #endif // WorkerThread_h